Ship Below World Trade Center Traced to Colonial Era

Archaeologists begin dismantling the remains of an 18th century ship at the World Trade Center construction site, on July 26, 2010 in New York. The 32-foot piece of the vessel was found 20 feet below street level where workers are excavating for a parking garage.Mark Lennihan / AP, file

Found four years ago, the ship likely dates back to the 1700s, according to researchers.